Waterproof portable audio device



FIG. 1 is a front perspective view of waterproof portable audio device showing my new design;

FIG. 2 is rear perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 a front view thereof;

FIG. 5 is a left hand side view thereof;

FIG. 6 is a right hand side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

The ornamental design for a waterproof portable audio device, as shown and described. 